Opioid use affects antioxidant activity and purine metabolism: preliminary results

被引:56
作者
Mannelli, Paolo [1 ]
Patkar, Ashwin [1 ]
Rozen, Steve [2 ]
Matson, Wayne [3 ]
Krishnan, Ranga [1 ,2 ]
Kaddurah-Daouk, Rima [1 ]
机构
[1] Duke Univ, Med Ctr, Dept Psychiat & Behav Sci, Durham, NC 27705 USA
[2] Duke NUS Grad Med Sch Singapore, Singapore, Singapore
[3] Bedford Vet Adm Med Ctr, Bedford, MA USA
基金
美国国家卫生研究院;
关键词
metabolomics; metabonomics; addiction; metabolic profiling; opioid detoxification; methadone; CHRONIC MORPHINE TREATMENT; HEROIN-ADMINISTERED MICE; CENTRAL-NERVOUS-SYSTEM; IN-VITRO; OXIDATIVE STRESS; PSYCHIATRIC-DISORDERS; DOPAMINE METABOLISM; CEREBROSPINAL-FLUID; OPIATE WITHDRAWAL; RAT-BRAIN;
D O I
10.1002/hup.1068
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Objective More must be learned about metabolic and biochemical alterations that contribute to the development and expression of drug dependence. Experimental opioid administration influences mechanisms and indices of oxidative stress, such as antioxidant compounds and purine metabolism. We examined perturbations of neurotransmitter-related pathways in opioid dependence (OD). Methods In this preliminary study, we used a targeted metabolomics platform to explore whether biochemical changes were associated with OD by comparing OD individuals (n = 14) and non-drug users (n = 10). Results OD patients undergoing short-term methadone detoxification showed altered oxidation-reduction activity, as confirmed by higher plasma levels of alpha- and gamma-tocopherol and increased GSH/GSSG ratio. OD individuals had also altered purine metabolism, showing increased concentration of guanine and xanthosine, with decreased guanosine, hypoxanthine and hypoxanthine/xanthine and xanthine/xanthosine ratios. Other drug use in addition to opioids was associated with partly different biochemical changes. Conclusions This is a preliminary investigation using metabolomics and showing multiple peripheral alterations of metabolic pathways in OD. Further studies should explore the metabolic profile of conditions of opioid abuse, withdrawal and long-term abstinence in relation to agonist and antagonist treatment and investigate biochemical signatures of opioid substances and medications. Copyright (C) 2009 John Wiley & Sons, Ltd.
引用
收藏
页码:666 / 675
页数:10
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